The watertight gate structure, frame and doors and other accessories are using # 304 stainless steel, provide in material documents.

The use of pneumatic bar gate to open and close the gate way of design, to avoid personnel in emergency escape because the doors can’t opened too, and the impact of escape.

Internal doors with aluminum alloy plate combination, one meter reached 36 transverse compressive solid structure, to avoid shortage caused by compressive deformation.

Using 2.0 thick stainless steel pattern plant in upper of door, avoid slipping in danger when someone through.

EPDM material is waterproof, weather resistance and high temperature of 160 degrees anti-acid, to avoid falling into cracks aging, provide in material documents.